CN107732281B - Welding device for packaging film and top cover for fixing battery cell - Google Patents
Welding device for packaging film and top cover for fixing battery cell Download PDFInfo
- Publication number
- CN107732281B CN107732281B CN201710928298.6A CN201710928298A CN107732281B CN 107732281 B CN107732281 B CN 107732281B CN 201710928298 A CN201710928298 A CN 201710928298A CN 107732281 B CN107732281 B CN 107732281B
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- China
- Prior art keywords
- top cover
- packaging film
- welding
- clamping
- battery cell
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a welding device for fixing a packaging film and a top cover of a battery cell, which is arranged on a mechanical arm and comprises a frame, wherein two clamping parts capable of relatively moving are symmetrically arranged on two sides of the frame, the two clamping parts are used for clamping the upper end of the packaging film and the lower end of the top cover, welding joints are respectively arranged on the two clamping parts in a penetrating manner, and the welding joints are used for heating so as to enable the upper end of the packaging film and the lower end of the top cover to be welded and fixed. Like this, the accessible clamping part is fixed in the upper cover with the packaging film effectively to accomplish the butt fusion of packaging film and top cap through the butt fusion that wears to establish, and can not heat overlength and make the packing broken damage, install this butt fusion device on a arm, can realize the transport of work piece, and can accomplish the butt fusion of packaging film and top cap through the butt fusion in the handling, production efficiency is high, and the practicality is strong.
Description
Technical Field
The invention relates to automatic production equipment of batteries, in particular to a welding device for connecting and fixing a packaging film to a top cover of a battery cell after the battery cell is coated with the packaging film.
Background
The utility model provides an automobile power battery, includes electric core, locates the top cap of electric core upper end and the shell of holding electric core, adopts clearance fit between electric core and the shell, adopts interference fit between top cap and the shell. The battery cell is coated with a packaging film before being assembled into the shell so as to protect the battery cell. The packaging film is used for wrapping the periphery of the battery cell upwards on the bottom surface of the battery cell and is connected with the top cover. If the periphery of the packaging film is only fixed by rubberizing, but the packaging film and the top cover are not fixed, the surface of the battery cell is provided with a layer of protective film, so that the friction coefficient is lower, and the packaging film possibly falls out of the battery cell in the production process, so that the protection performance is reduced; if the packaging film is attached to the top cover by using the adhesive tape, the matching between the top cover and the shell is easily affected, and the appearance is not good; if a welding station is independently arranged, after the packaging film is coated, the packaging film, the battery core and the top cover are relatively fixed and carried to the welding station, and secondly, the structural design of the welding station is a difficult point because the area of the upper end of the packaging film and the lower end of the top cover are very small, and in addition, the welding station is independently arranged, so that the production efficiency is greatly reduced.
Disclosure of Invention
In order to solve the above problems, the present invention provides a welding device mounted on a mechanical arm and provided with a clamping portion for simultaneously clamping the upper end of a packaging film and the lower end of a top cover, wherein a welding joint is arranged on the clamping portion in a penetrating manner so as to complete welding fixation of the upper end of the packaging film and the lower end of the top cover in a carrying process.
The technical scheme adopted for solving the technical problems is as follows: a welding device for fixing packaging film and top cap of electric core installs on a arm, including a frame, frame bilateral symmetry is provided with two clamping parts of relative motion, and two clamping parts are used for the upper end of centre gripping packaging film and the lower extreme of top cap, all wear to be equipped with the fusion splice on two clamping parts, the fusion splice is used for heating and makes the upper end of packaging film and the lower extreme fusion of top cap fixed.
Preferably, the two clamping portions are disposed corresponding to the width of the top cover so as to clamp from both ends of the top cover in the width direction.
Preferably, two hot-melting clamping jaws are further arranged on the frame corresponding to the two long-side directions of the top cover, and the two hot-melting clamping jaws are used for fixing the upper end of the packaging film in the long-side direction and the lower end of the top cover in a hot-melting mode.
Preferably, the two hot melt clamping jaws are controlled by the first driving mechanism to synchronously and reversely move, and the two hot melt clamping jaws comprise:
the two first cantilevers are vertically arranged on two sides of the rack corresponding to the two long-side directions of the top cover and are in transmission connection with the first driving mechanism;
the two clamping plates are respectively arranged at the lower ends of the two first cantilevers, a plurality of first heating plates are arranged at the lower ends of the two clamping plates, which are close to the top cover, and the first heating plates are connected with thermocouples and are used for welding packaging films at the lower ends of the top cover.
Preferably, the splint is provided with an iron Buddha dragon coating.
Preferably, the first driving mechanism is a bidirectional cylinder.
Preferably, the two clamping parts are controlled by the second driving mechanism to synchronously and reversely move, the two clamping parts comprise two second cantilevers, the two second cantilevers are vertically arranged on two sides of the frame and are in transmission connection with the second driving mechanism, the lower ends of the second cantilever arms are provided with avoidance spaces, and the welding heads are arranged in the avoidance spaces in a penetrating mode.
Preferably, the welding head is provided with a driving cylinder, the driving cylinder is horizontally arranged on the outer side of the second cantilever, the output end of the driving cylinder is provided with a second heating plate corresponding to the avoidance space, and the second heating plate is connected with a thermocouple for welding the packaging film on the lower end of the top cover.
Preferably, the second driving mechanism is a bidirectional cylinder.
The beneficial effects of the invention are as follows: the clamping part is arranged to clamp the upper end of the packaging film and the lower end of the top cover simultaneously, the welding head is penetrated and arranged on the clamping part, when the upper end of the packaging film and the lower end of the top cover are clamped and fixed by the clamping part, the welding head moves inwards to abut against the upper end of the packaging film, the upper end of the packaging film is welded at the lower end of the top cover and then exits, the packaging film can be effectively fixed on the top cover through the clamping part, the welding of the packaging film and the top cover is finished through the penetrated welding head, the packaging is broken and damaged due to overlong heating, the welding device is arranged on a mechanical arm, the carrying of a workpiece can be realized, the welding of the packaging film and the top cover can be finished through the welding head in the carrying process, the production efficiency is high, and the practicability is strong.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is an enlarged schematic view of area A of FIG. 1;
fig. 4 is a schematic view of the structure of a workpiece in the present invention.
Detailed Description
Referring to fig. 1 to 4, the invention relates to a welding device for fixing a packaging film and a top cover of a battery cell, which is installed on a mechanical arm and comprises a frame 1, wherein two clamping parts capable of relatively moving are symmetrically arranged on two sides of the frame 1, the two clamping parts are used for clamping the upper end of the packaging film 12 and the lower end of the top cover 11, welding joints are respectively penetrated on the two clamping parts, and the welding joints are used for heating to enable the upper end of the packaging film 12 and the lower end of the top cover 11 to be welded and fixed. Wherein two clamping parts are arranged corresponding to the width of the top cover 11 so as to clamp the top cover 11 from two ends in the width direction of the top cover 11, and two hot melting clamping claws are further arranged on the frame 1 corresponding to two long side directions of the top cover 11 so as to be used for fixing the upper end of the packaging film 12 in the long side direction and the lower end of the top cover 11 in a hot melting manner.
As shown in the figure, the two hot-melt clamping jaws are controlled by the first driving mechanism 2 to synchronously and reversely move, the two hot-melt clamping jaws are provided with a first cantilever 5, and the two first cantilevers 5 (the two hot-melt clamping jaws are respectively provided with one first cantilever 5, so that the two first cantilevers 5 are all vertically arranged on two sides of the frame 1 corresponding to the two long side directions of the top cover 11 and are in transmission connection with the first driving mechanism 2; the two clamping plates 6, the two clamping plates 6 are respectively arranged at the lower ends of the two first cantilevers 5, a plurality of first heating plates 9 are arranged at the lower ends of the two clamping plates 6, which are close to the ends corresponding to the top cover 11, the first heating plates 9 are connected with thermocouples for welding the packaging film 12 at the lower ends of the top cover 11, and for prolonging the service life, iron Buddha dragon coatings are arranged on the clamping plates 6.
And two clamping parts realize synchronous reverse motion through the control of second actuating mechanism 3, and two clamping parts all are provided with a second cantilever 4, and two second cantilevers 4 are vertical to be set up in the frame 1 in the both sides of two short side directions (width direction) of corresponding top cap 11 to the transmission is connected second actuating mechanism 3, and second cantilever 4 lower extreme is equipped with keeps away the vacancy, the butt fusion is worn to locate in keeping away the vacancy. The welding joint is provided with a driving air cylinder 7, the driving air cylinder 7 is horizontally arranged on the outer side of the second cantilever 4, a second heating plate 10 is arranged at the output end of the driving air cylinder 7 corresponding to the avoidance space, and the second heating plate 10 is connected with a thermocouple for welding the packaging film 12 at the lower end of the top cover 11. Wherein the thermocouple can be arranged as a rod thermocouple or a sheet thermocouple according to the actual use requirement.
The first driving mechanism 2 and the second driving mechanism 3 are preferably arranged as bidirectional cylinders, the two bidirectional cylinders are vertical and stacked, a horizontal mounting plate can be arranged at the lower end of the frame 1, the two bidirectional cylinders are respectively fixed at the upper end and the lower end of the mounting plate in a welding or screw connection mode, and the two first cantilevers 5 and the two second cantilevers 4 are correspondingly arranged at the two ends of the two bidirectional cylinders. Furthermore, the first driving mechanism 2 and the second driving mechanism 3 can also be realized by matching gears and racks driven by a motor.
Like this, when clamping portion centre gripping fixed packaging film 12 upper end and top cap 11 lower extreme, the butt fusion joint moves to inboard and the butt packaging film 12 upper end, heat and make packaging film 12 upper end butt fusion joint in top cap 11 lower extreme, withdraw from again, the accessible clamping portion is fixed packaging film 12 on top cap 11 effectively, and accomplish the butt fusion of packaging film 12 and top cap 11 through the butt fusion joint that wears to establish, and can not heat overlength and make the packing break, install this welding device on a arm, can realize the transport of work piece, and can accomplish the butt fusion of packaging film 12 and top cap 11 through the butt fusion joint in the handling, high in production efficiency, the practicality is strong. Furthermore, considering that the height of the lower end of the top cover 11 is smaller, the boss 13 located at the side of the top cover 11 may affect the operation of the clamping portion, and for this reason, the embodiment sets a clamping concave 14 corresponding to the boss 13 at the lower end of the second cantilever 4, where the horizontal depth of the clamping concave 14 is greater than the horizontal width of the boss 13, and the vertical height matches with the boss 13, so that the horizontal positioning can be achieved by matching the clamping concave 14 with the boss 13 at the peripheral side of the top cover 11, and then the lower end of the top cover 11 and the upper end of the packaging film 12 are clamped by the second cantilever 4. When the device is applied to producing different sizes, the clamping concave position 14 can be set to be a common concave position, so that the device only has the function of accommodating the boss 13, or the second cantilever 4 can be replaced. Meanwhile, the first heating plate 9 and the second heating plate 10 are both connected with the temperature sensing wire 8, and the temperature is monitored in real time through the thermocouple, so that the packaging film 12 is prevented from being damaged due to overhigh temperature.
The above examples are only preferred embodiments of the invention, and other embodiments of the invention are possible. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and these equivalent modifications or substitutions are intended to be included within the scope of the present claims.
Claims (7)
1. The welding device for fixing the packaging film and the top cover of the battery cell is arranged on a mechanical arm and is characterized by comprising a frame, wherein two clamping parts capable of relatively moving are symmetrically arranged on two sides of the frame, the two clamping parts are used for clamping the upper end of the packaging film and the lower end of the top cover, welding joints are respectively penetrated on the two clamping parts, and the welding joints are used for heating so as to fix the upper end of the packaging film and the lower end of the top cover in a welding manner;
the two clamping parts are arranged corresponding to the width of the top cover so as to clamp the top cover from two ends in the width direction of the top cover;
the two clamping parts are controlled by the second driving mechanism to synchronously and reversely move, each clamping part comprises two second cantilevers, the two second cantilevers are vertically arranged on two sides of the frame and are in transmission connection with the second driving mechanism, the lower ends of the second cantilever arms are provided with avoidance spaces, and the welding heads are arranged in the avoidance spaces in a penetrating mode.
2. The welding device for fixing the packaging film and the top cover of the battery cell according to claim 1, wherein two hot-melting clamping jaws are further arranged on the frame corresponding to the two long-side directions of the top cover, and the two hot-melting clamping jaws are used for fixing the upper end of the packaging film in the long-side directions and the lower end of the top cover in a hot-melting mode.
3. A welding apparatus for fixing a packaging film and a top cover of a battery cell as claimed in claim 2, wherein the two heat-sealing jaws are controlled to move in opposite directions in synchronization by a first driving mechanism, and the two heat-sealing jaws comprise:
the two first cantilevers are vertically arranged on two sides of the rack corresponding to the two long-side directions of the top cover and are in transmission connection with the first driving mechanism;
the two clamping plates are respectively arranged at the lower ends of the two first cantilevers, a plurality of first heating plates are arranged at the lower ends of the two clamping plates, which are close to the top cover, and the first heating plates are connected with thermocouples and are used for welding packaging films at the lower ends of the top cover.
4. A welding device for fixing a packaging film and a top cover of a battery cell according to claim 3, wherein the clamping plate is provided with an iron phoron coating.
5. A welding device for fixing a packaging film and a top cover of a battery cell as claimed in claim 3, wherein the first driving mechanism is a bidirectional cylinder.
6. The welding device for fixing the packaging film and the top cover of the battery cell according to claim 1, wherein the welding head is provided with a driving cylinder, the driving cylinder is horizontally arranged on the outer side of the second cantilever, the output end of the driving cylinder is provided with a second heating plate corresponding to the avoidance space, and the second heating plate is connected with a thermocouple for welding the packaging film to the lower end of the top cover.
7. The welding device for fixing a packaging film and a top cover of a battery cell according to claim 1, wherein the second driving mechanism is a bidirectional cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710928298.6A CN107732281B (en) | 2017-10-09 | 2017-10-09 | Welding device for packaging film and top cover for fixing battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710928298.6A CN107732281B (en) | 2017-10-09 | 2017-10-09 | Welding device for packaging film and top cover for fixing battery cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107732281A CN107732281A (en) | 2018-02-23 |
| CN107732281B true CN107732281B (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710928298.6A Active CN107732281B (en) | 2017-10-09 | 2017-10-09 | Welding device for packaging film and top cover for fixing battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107732281B (en) |
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| CN107732281A (en) | 2018-02-23 |
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